20455538 is an even 8-digits composite number following 20455537
and preceding 20455539 . In scientific notation, it is written as 2.0455538 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 10227768 positive integers (up to 20455538) that are relatively prime to 20455538.
20455538 has 4 divisors, whose sum is 30683310
The reverse of 20455538 is 83555402
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million four hundred fifty-five thousand five hundred thirty-eight
Scientific notation
2.0455538 × 10^7
Engineering notation
2.0455538 × 10^6
Prime Factorization
2 × 10227769
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20455538
Product of the distinct prime numbers
The prime factorization of 20455538 is 2 × 10227769.
Since it has a total of 2 prime factors.
10 , 7 , 64 , 94 , 782 , 572 , 9816 , 5901 , 37852 , 92611 , 57378 , 309323 , 4139607 , 2082023 , 29732868 , 79193806 , 213521737 , 915403769 , 1057449748 , 8243084466
n×2
40911076
n×3
61366614
n×4
81822152
n×5
102277690
n÷2
10227769
n÷3
6818512.6666667
n÷3
5113884.5
n÷5
4091107.6
n2
418429034869444
n3
8.5591910230752E+21
n4
1.7508285722177E+29
n5
3.5814140390486E+36
2 √n
4522.779897364
3 √n
273.48717725778
4 √n
67.251616317855
5 √n
28.984257626435
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20455537
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20455538 can be divided by 4 positive divisors.
The sum of these divisors (counting 20455538) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000010000001110010
3
Ternary
1102111020201112
4
Quaternary
1032002001302
5
Quinary
20214034123
6
Senary
2010233322
8
Octal
116020162
10
Decimal
20455538
12
Duodecimal
6a25842
16
Hexadecimal
1382072
20
Vigesimal
67gigi
36
Base36
c6fle
md5
a59eb84c10b837d447e29ee0a05a584f
sha1
a80252dec14b5707b01d3c9f734658a4afe5b485
sha256
cdf5b97b9ea06716f9414a25ac3f2cbc6084a79c658acbd8a6b1b23c740e577b
sha512
d321529df19e7f275a23a7df2e27c45966cf8a3934d4f95abfece8d8e82e76d20edb4a90f0d01a1a82079195be32c5c0e91fe5cde002c0cfc2ce754cb441dcfb
ripemd-160
b00e1016ed83f332874dd8c587bc2079eb02e775
Diameter
40911076
Circumference
128525935.81205
Area
1.3145335819945E+15
Volume
3.5852655518353E+22
Surface area
5.2581343279781E+15
Circumference
128525935.81205
Perimeter
81822152
Area
418429034869444
Diagonal
28928499.265238
Surface area
2510574209216664
Volume
8.5591910230752E+21
Space diagonal
35430031.112156
Perimeter
61366614
Area
1.8118508693897E+14
Altitude
17715015.556078
Surface area
1.8118508693897E+14
Volume
1.0087103356479E+21
Height
9642833.0884127